Converter and Gears affect Tranny?
Thread Starter
Staging Lane
Joined: Aug 2005
Posts: 80
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From: Orange County, CA
Converter and Gears affect Tranny? Alright, I know this has been said but deal with it. I am looking to get a good converter and gears for my car which is my daily driver. I was thinking 3.73's and then I don't know what for the converter since I have little knowledge on the subject. But my main question is not truely what I should get but more or less would this add, a big added strain on my transmission?
Thread Starter
Staging Lane
Joined: Aug 2005
Posts: 80
Likes: 0
From: Orange County, CA
Oh ok, cool. If I get gears do I need to get new ring and pinion? I was thinking of getting these http://www.lmperformance.com/c/2/2.html but will these fit no problem to my practically stock car? And are the slp gears a good set or should I look into another brand/company? Also how much will this affect my top speed?
They will fit fine...as far as the top speed goes. My car with 3.42 will do over 140 I know that, but I don't really to go that fast. My friends car will only do around 125 with 3.73's because he has a th400 w/o OD.
TECH Enthusiast
Joined: Jun 2005
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I had 3:73 gears put on my old camaro. (91 camaro RS 5.0 TBI) I liked it, but I hated it. My car ended up toping out at around 85! 
Although, it topped out around 125 before that. Still, it sucked. It was nice because I picked up about 3 tenths, but I would rather have that top end. I couldn't even run the quarter because of this. Personally, I thought it wasn't helping my transmission at all. Since I had an a4, it would get into OD so fast. Seriously, 30mph was like OD. I currently have 3:23 on my Z28 now (94 Z28 stock gears) and don't intend on changing them. Besides even if I did, I would gain like a tenth most likely. If you have 3:23 gears, I wouldn't bother. I had 2:73 when I made my switch.
Although, it topped out around 125 before that. Still, it sucked. It was nice because I picked up about 3 tenths, but I would rather have that top end. I couldn't even run the quarter because of this. Personally, I thought it wasn't helping my transmission at all. Since I had an a4, it would get into OD so fast. Seriously, 30mph was like OD. I currently have 3:23 on my Z28 now (94 Z28 stock gears) and don't intend on changing them. Besides even if I did, I would gain like a tenth most likely. If you have 3:23 gears, I wouldn't bother. I had 2:73 when I made my switch. Last edited by Camaro 0wner; Sep 19, 2005 at 11:09 AM.
Originally Posted by Camaro 0wner
I had 3:73 gears put on my old camaro. (91 camaro RS 5.0 TBI) I liked it, but I hated it. My car ended up toping out at around 85! Although, it topped out around 125 before that.
Although, it topped out around 125 before that.I say if you have 3.23's or less the swap would be worth it. If you have 3.42's I think you will be fine keeping them. A good converter is always a good idea, just make sure a good tranny cooler is also used to help with the extra heat created by the "slip" of the hi stall torque converter.
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TECH Enthusiast
Joined: Jun 2005
Posts: 628
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Thanks for being a dick.
It does make sense because it happened. Don't act like you know the situation. If you want me to be exact I will. When the car was bone stock it topped out at 115mph. I put an eaton posi 3:73 gear on it and it topped out at 83.2 mph. I put it on the dyno and it wouldn't go past that. If he has a 2:73 gear now and changes it to a 3:73, he will probably top out around 125ish. His car can go about 150 or more now. It causes that much of a change with a car that has less top end to begin with. So, don't act like you know what's going on. Why would you think that made no sense anyway? Do you think a 5.0 TBI goes 150mph or something?
Give me a break...By the way, I'm pretty sure manuals come with 3:42's and the A4's come with 3:23's. (not all of them, but some) My buddy's A4 97 Z came with 2:73. Wtf is your problem anyway, do you think I would make this **** up?
It does make sense because it happened. Don't act like you know the situation. If you want me to be exact I will. When the car was bone stock it topped out at 115mph. I put an eaton posi 3:73 gear on it and it topped out at 83.2 mph. I put it on the dyno and it wouldn't go past that. If he has a 2:73 gear now and changes it to a 3:73, he will probably top out around 125ish. His car can go about 150 or more now. It causes that much of a change with a car that has less top end to begin with. So, don't act like you know what's going on. Why would you think that made no sense anyway? Do you think a 5.0 TBI goes 150mph or something?
Give me a break...By the way, I'm pretty sure manuals come with 3:42's and the A4's come with 3:23's. (not all of them, but some) My buddy's A4 97 Z came with 2:73. Wtf is your problem anyway, do you think I would make this **** up? LS1 Tech Stories
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Staging Lane
Joined: Aug 2005
Posts: 80
Likes: 0
From: Orange County, CA
My brother has a 92 TA with the 5.0 TBI and he hits a govenor at 115 mph, did you not take it off? Note: Not attacking you in anway here just curious. Also how can you tell what kind of gears you have on one's car. Someone said check by the inside of the door, and what would I look for. I have a 94 TA, thinking of probably goin with 3.42, I am just lookin for a little more pep.
Originally Posted by Camaro 0wner
Thanks for being a dick.
It does make sense because it happened. Don't act like you know the situation. If you want me to be exact I will. When the car was bone stock it topped out at 115mph. I put an eaton posi 3:73 gear on it and it topped out at 83.2 mph. I put it on the dyno and it wouldn't go past that. If he has a 2:73 gear now and changes it to a 3:73, he will probably top out around 125ish. His car can go about 150 or more now. It causes that much of a change with a car that has less top end to begin with. So, don't act like you know what's going on. Why would you think that made no sense anyway? Do you think a 5.0 TBI goes 150mph or something? Give me a break...By the way, I'm pretty sure manuals come with 3:42's and the A4's come with 3:23's. (not all of them, but some) My buddy's A4 97 Z came with 2:73. Wtf is your problem anyway, do you think I would make this **** up?
It does make sense because it happened. Don't act like you know the situation. If you want me to be exact I will. When the car was bone stock it topped out at 115mph. I put an eaton posi 3:73 gear on it and it topped out at 83.2 mph. I put it on the dyno and it wouldn't go past that. If he has a 2:73 gear now and changes it to a 3:73, he will probably top out around 125ish. His car can go about 150 or more now. It causes that much of a change with a car that has less top end to begin with. So, don't act like you know what's going on. Why would you think that made no sense anyway? Do you think a 5.0 TBI goes 150mph or something?
Give me a break...By the way, I'm pretty sure manuals come with 3:42's and the A4's come with 3:23's. (not all of them, but some) My buddy's A4 97 Z came with 2:73. Wtf is your problem anyway, do you think I would make this **** up?Hope this helps, Dick.
TECH Apprentice
Joined: Jun 2004
Posts: 312
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From: Romeoville, IL
Camaro Owner. I'm sorry but I'm guessing you must of had some tuning issues. Because there are lots of guys out there running 3.73's with a 700R-4 (the trans that came in your car), and didn't top out in the 80's mph range. Your car should of crossed the traps in 3rd gear without going into over drive. So unless you car was shifting at like 4 grand or somthing, and your wheels and tires were 23 inches tall, your situation is not making much sense. I don't doubt that it was happening. I'm just saying that 3.73's on a stock hieght tire shouldn't effect your top speed that drasticly. It sounds like a governor or shift point issue.
Originally Posted by Camaro 0wner
I had 3:73 gears put on my old camaro. (91 camaro RS 5.0 TBI) I liked it, but I hated it. My car ended up toping out at around 85! Although, it topped out around 125 before that. Still, it sucked. It was nice because I picked up about 3 tenths, but I would rather have that top end. I couldn't even run the quarter because of this. Personally, I thought it wasn't helping my transmission at all. Since I had an a4, it would get into OD so fast. Seriously, 30mph was like OD. I currently have 3:23 on my Z28 now (94 Z28 stock gears) and don't intend on changing them. Besides even if I did, I would gain like a tenth most likely. If you have 3:23 gears, I wouldn't bother. I had 2:73 when I made my switch.
Although, it topped out around 125 before that. Still, it sucked. It was nice because I picked up about 3 tenths, but I would rather have that top end. I couldn't even run the quarter because of this. Personally, I thought it wasn't helping my transmission at all. Since I had an a4, it would get into OD so fast. Seriously, 30mph was like OD. I currently have 3:23 on my Z28 now (94 Z28 stock gears) and don't intend on changing them. Besides even if I did, I would gain like a tenth most likely. If you have 3:23 gears, I wouldn't bother. I had 2:73 when I made my switch.
Now is anyone willing to give any advice on 3.42 or 3.73s? When would the car be in rpm range at 70-80mph with both these gears? 
Teching In
Joined: May 2005
Posts: 30
Likes: 0
From: Fargo, ND
I would get this kit http://www.thunderracing.com/catalog...&vid=4&pcid=68 . It has the ring and pinion gears,performance girdle, gear oil, GM limited slip additive, and all new bearings and seals(basically a whole new rear end). Very good choice if you car has 100,000 miles+.
Originally Posted by Empire
Whats the difference between the motive and strange gears? As well as whats the difference 2 and 3 series carriers?
Sorry for helping to hi-jack, I just wanted to clarify to you that that other guys post was not accurate. I didnt want you to think you are gonna lose 50MPH on topend like he would lead you to believe.
Thread Starter
Staging Lane
Joined: Aug 2005
Posts: 80
Likes: 0
From: Orange County, CA
Originally Posted by BigKap94z
Sorry for helping to hi-jack, I just wanted to clarify to you that that other guys post was not accurate. I didnt want you to think you are gonna lose 50MPH on topend like he would lead you to believe.